BioStor
 | XLIII.—On the Family Procellaridæ, with descriptions of Ten new Species John Gould (1844) Annals And Magazine of Natural History 13: 360-368 |
 | Fragmente zur Mykologie (XVI. Mitteilung, Nr. 813 bis 875) (1914) Sitzungsber. K. Akad. Wiss., Math.-Naturwiss. Kl. 123: 49-155 |